on attacks to protect

on attacks to protect U.S. interests and personnel, assist Iraqi refugees and secure critical infrastructure. Last week, as part of the newly expanded campaign, the U.S. began going after militant targets across Iraq, including enemy fighters, outposts, equipment and weapons. To date, U.S. fighter aircraft, bombers and drones have launched about 190 airstrikes within Iraq. Urged on by the White House and U.S. defense and military officials, Congress passed legislation late last week authorizing the military to arm and train moderate Syrian rebels. Obama signed the bill into law Friday, providing $500 million for the U.S. to train about 5,000 rebels over the next year. The militant group, meanwhile, has threatened retribution. Its spokesman, Abu Mohammed al-Adnani, said in a 42-minute audio statement released Sunday that the fighters were ready to battle the U.S.-led military coalition and called for attacks at home and abroad. Burns reported from aboard a U.S. military aircraft. Associated Press writers Zeina Karam, Julie Pace and Matthew Lee in New York, Josh Lederman in Washington and Bassem Mroue in Beirut contributed to this report.